
#x,y location of tractor
float32 x
float32 y
float32 yaw

#x,y location of trailer
float32 tx
float32 ty
float32 tyaw

float32 speed

float32 front_steer
float32 back_steer

#5是变道之前需要停一下 4是不需要停的变道
int32 turn_mode

int32 road_id